The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 2017
Filed:
Jun. 06, 2013
Yamaha Corporation, Hamamatsu-shi, Shizuoka-ken, JP;
Masao Yoshida, Hamamatsu, JP;
Kazuya Atsumi, Hamamatsu, JP;
Yamaha Corporation, Hamamatsu-shi, JP;
Abstract
A speaker apparatus comprises a speaker box SB in which a speaker(or) is placed, as well as a bass reflex port(or), an electric circuit deviceand a drip-proof wallplaced in the speaker box SB. One end of the bass reflex portis open outside the speaker box SB while other end of the bass reflex portis open in the speaker box SB. The drip-proof wallisolates the electric circuit devicefrom the other end of the bass reflex portso that the speaker apparatus can prevent water droplets intruding into the speaker box SB through the bass reflex portsfrom reaching the electric circuit device
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile